use std::collections::VecDeque;

fn main() {
    let mut vector: Vec<u8> = vec![1, 2, 3, 4, 5, 6, 7];
	vector.push(23);
	vector.push(54);
	println!("{:?}", vector);
	let mut buffer: VecDeque<i32> = VecDeque::new();
	buffer.push_front(1);
	buffer.push_front(23);
	println!("{:?}", buffer);
}
